Phase-to-intensity conversion of magnonic spin currents and application to the design of a majority gate.
Phase-to-intensity conversion of magnonic spin currents and application to the design of a majority gate.
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DOI:
10.1038/srep38235
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发表时间:
2016-12-01
影响因子:
4.6
通讯作者:
Hillebrands B
中科院分区:
文献类型:
--
作者:
Brächer T;Heussner F;Pirro P;Meyer T;Fischer T;Geilen M;Heinz B;Lägel B;Serga AA;Hillebrands B
Magnonic spin currents in the form of spin waves and their quanta, magnons, are a promising candidate for a new generation of wave-based logic devices beyond CMOS, where information is encoded in the phase of travelling spin-wave packets. The direct readout of this phase on a chip is of vital importance to couple magnonic circuits to conventional CMOS electronics. Here, we present the conversion of the spin-wave phase into a spin-wave intensity by local non-adiabatic parallel pumping in a microstructure. This conversion takes place within the spin-wave system itself and the resulting spin-wave intensity can be conveniently transformed into a DC voltage. We also demonstrate how the phase-to-intensity conversion can be used to extract the majority information from an all-magnonic majority gate. This conversion method promises a convenient readout of the magnon phase in future magnon-based devices.
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